Home / 77,147.43-115,729.34-24,544.61

Finding the Fourth Proportional to 77,147.43, 115,729.34 and 24,544.61

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Solution

The fourth proportional to 77,147.43, 115,729.34 and 24,544.61 is: 36,819.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,147.43 : 115,729.34 = 24,544.61 : x
  2. Step 2: Convert to fraction form
    77,147.43/115,729.34 = 24,544.61/x
  3. Step 3: Cross multiply
    77,147.43x = 115,729.34 × 24,544.61
  4. Step 4: Simplify right side
    77,147.43x = 2,840,531,515.86
  5. Step 5: Solve for x
    x = 2,840,531,515.86/77,147.43
  6. Step 6: Final answer
    x = 36,819.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.